diff --git a/src/main/java/org/ntlab/acanthus_server/resources/gallery/LayersRest.java b/src/main/java/org/ntlab/acanthus_server/resources/gallery/LayersRest.java
index 190cb72..c25ab36 100644
--- a/src/main/java/org/ntlab/acanthus_server/resources/gallery/LayersRest.java
+++ b/src/main/java/org/ntlab/acanthus_server/resources/gallery/LayersRest.java
@@ -39,7 +39,7 @@
     @Path("/{aid}/pageMap/{pid}/layers")
     @POST
     @Produces(MediaType.APPLICATION_JSON)
-    public Integer addLayers(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid) {
+    public Integer addLayer(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid) {
         var pages = gallery.getAnimationByAid(aid).getPages();
 
         if (pages.get(pid).getLayers().size() < 4) {
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/gallery/PagesRest.java b/src/main/java/org/ntlab/acanthus_server/resources/gallery/PagesRest.java
index 77841a1..ba96364 100644
--- a/src/main/java/org/ntlab/acanthus_server/resources/gallery/PagesRest.java
+++ b/src/main/java/org/ntlab/acanthus_server/resources/gallery/PagesRest.java
@@ -18,7 +18,6 @@
 public class PagesRest {
 
     private Gallery gallery = Gallery.getInstance();
-    private ArrayList<Page> pages = new ArrayList<>();
 
 
     // _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
@@ -29,7 +28,7 @@
     @GET
     @Produces(MediaType.APPLICATION_JSON)
     public ArrayList<Page> getPages(@PathParam("aid") Integer aid) {
-        pages = gallery.getAnimationByAid(aid).getPages();
+        var pages = gallery.getAnimationByAid(aid).getPages();
         return pages;
     }
 
@@ -41,8 +40,8 @@
     @Path("/{aid}/pageMap/")
     @POST
     @Produces(MediaType.APPLICATION_JSON)
-    public Integer addPages(@PathParam("aid") Integer aid) {
-        pages = gallery.getAnimationByAid(aid).getPages();
+    public Integer addPage(@PathParam("aid") Integer aid) {
+        var pages = gallery.getAnimationByAid(aid).getPages();
         pages.add(new Page());
         return pages.size();
     }
diff --git a/src/main/java/org/ntlab/acanthus_server/resources/gallery/StrokesRest.java b/src/main/java/org/ntlab/acanthus_server/resources/gallery/StrokesRest.java
index bef8538..01d7207 100644
--- a/src/main/java/org/ntlab/acanthus_server/resources/gallery/StrokesRest.java
+++ b/src/main/java/org/ntlab/acanthus_server/resources/gallery/StrokesRest.java
@@ -24,7 +24,7 @@
     @Path("/{aid}/pageMap/{pid}/layers/{layerNo}/strokes")
     @GET
     @Produces(MediaType.APPLICATION_JSON)
-    public ArrayList<Stroke> getStrokeRest(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid, @PathParam("layerNo") Integer layerNo) {
+    public ArrayList<Stroke> getStrokes(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid, @PathParam("layerNo") Integer layerNo) {
         var pages = gallery.getAnimationByAid(aid).getPages();
         return pages.get(pid).getLayers().get(layerNo).getStrokes();
     }
@@ -97,7 +97,7 @@
     @Path("/{aid}/pageMap/{pid}/layers/{layerNo}/strokes/{strokeNo}")
     @DELETE
     @Produces(MediaType.APPLICATION_JSON)
-    public String deleteStrokeNo(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid,
+    public String deleteStrokeByStrokeNo(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid,
                                  @PathParam("layerNo") Integer layerNo, @PathParam("strokeNo") Integer strokeNo) {
         var pages = gallery.getAnimationByAid(aid).getPages();
         var strokes = pages.get(pid).getLayers().get(layerNo).getStrokes();
@@ -146,7 +146,7 @@
     @Path("/{aid}/pageMap/{pid}/layers/{layerNo}/strokes/{strokeNo}/positions")
     @POST
     @Produces(MediaType.APPLICATION_JSON)
-    public Integer addPositions(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid, @PathParam("strokeNo") Integer strokeNo,
+    public Integer addPosition(@PathParam("aid") Integer aid, @PathParam("pid") Integer pid, @PathParam("strokeNo") Integer strokeNo,
                                 @PathParam("layerNo") Integer layerNo, @FormParam("x") Float x, @FormParam("y") Float y) {
         var pages = gallery.getAnimationByAid(aid).getPages();
         var strokes = pages.get(pid).getLayers().get(layerNo).getStrokes();